// Ninf-G-XX, ver. 0.1
// Copyright 2011 National Institute of Advanced Industrial Science and Technology
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef __FP_OUTPUT_STREAM_H__
#define __FP_OUTPUT_STREAM_H__

#include <cstdio>
#include <string>
#include "OutputStream.hpp"

using namespace ninf::lib;
/// output stream to write file pointer
class FpOutputStream : public OutputStream{
  FILE * fp;
  bool   closed;

  void init(const char * filename);
public:
  /* constructor */
  FpOutputStream(FILE * fp);

  FpOutputStream(const char * filename);
	FpOutputStream(const std::string & filename);

  ~FpOutputStream();

  /* write out a single byte */
  void write(int c); 

  /* write out array of bytes */
  void write(const char * val, int offset, int len);

  /* flush the underlying stream */
  void flush();

  /* close the underlying stream */
  void close();


};

#endif
